import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;

public class Test {
    public static void main(String[] args) throws IOException {
        FileInputStream fis = new FileInputStream("./a.txt");
        int b = fis.read();
        System.out.println((char)b);
        fis.close();
    }


}
